A pair of electrically adjustable door mirrors was fitted as standard, there was a NACA duct on the lower body sides just in front of each rear wheel arch, and a spoiler was fitted to the rear of the roof between the buttresses that ran into the rear wings.

The 208 GTS Turbo was powered by a transversely mid-mounted aluminium V8 engine. It was of a 90 degree configuration, with belt driven twin overhead camshafts per bank, having a total capacity of 1991cc, with a bore and stroke of 66.8mm x 71mm, and a compression ratio of 7:1. It had a claimed power output of 220hp.

Production ran from 1983 through to 1985, during which time 250 examples were produced.